Railway-switch.



M. JACKSGN.

RAILWAY SWITCH.

APPLICATION FILED luLYxS. 191e.

,225,635 Patented May 8,1917.

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RAILWAY-SWITCH.

Specification of Letters Patent.

Patented May 8, 1917 Application led July 18, 1916. Serial No. 109,873.

To all cli/0m t may concern Be it known that I, MAXEY JACKSON, a citizen of the United States of America, residing at Toppenish, in the county of Yakima and State of l/Vashington, have invented certain new and useful Improvements in Railwaywitches, of which the following is a specication.

This invention relates to certain new and useful improvements in railway switches, with particular reference to that type in which the switch point is thrown by an operator from a moving train or car.

The primary object is to provide a switch f that may be thrown by a trip on the front end of a train by the engineer and reversed as the train moves therepast by a second trip on the rear of the train by a brakeman, conductor, or other operator, whereby the l main track is left clear.

Further, the invention aims to provide a switch-operating mechanism applicable to the switch points now employed by the railway companies that will possess durability,

cheapness of construction, simplicity of op eration, and perfection and safety in operation, and further, to provide a mechanism operable without the stopping of a train.

The invention further resides in the features of construction and arrangements of parts hereinafter described and claimed the preferred embodiments being illustrated in the accompanying drawing wherein- Figure 1 is a top plan view of the improved mechanism as applied to the switch points now in use;

Fig. 2 is a side elevation thereof;

Fig, 3 is a sect-ion on line 3-3 of Fig. 1 showing one of the point-throwing levers or shoes;

Fig. 4c is a transverse section on line -li of Fig. 3; and

Fig. 5 is a plan view of a modification Referring more in detail to the drawing,

the numeral 1 designates the usual tics for otcd to a slidable support 11, as at 12 and 13, said support serving also the function of a tie for the track rails. By this connection 11, the points are made to operate simultaneously.

Pivoted on one of the ties for horizontal movement is a forked lever 11i, one fui-cation of which, 15, being pivotally connected to switch point 6 by a rigid link 1G, while the companion furcation 17 and the opposite end of the lever are respectively connected by links 18 and 19 to the point-throwing levers 2O and 21. Lever 20 is pivoted to switch point 7 while lever 21 has pivotal mounting on rail 2, suitable mounting blocks 22 being fixed to the rails for supporting the levers and roviding a smooth, sliding surface over whic the levers operate. These levers, which are disposed below the plane of the wheel flanges, are substantially T-shaped, as depicted in Fig. 3, one arm 23 being engaged by a trip for shifting the switch points in one direction and the other arm 24 being operated to reverse the points. The two levers operate in opposite directions, each being left in proper position for a train entering the switch either way.

Spaced stops 25 limit the swinging movements of the levers.

The operation of the mechanism is as follows: An operator, in the fore part of the train, desiring to switch the latter lowers a trip (not shown) on the front end of the latter for engaging with and depressing arm 24 of lever 21 to thereby move the points to the position shown in Fig. 1. After the train passes over the switch, a second operator depresses his trip on the rear end of the train for operation of the lever 20 to shift the points for leaving the main track open or clear. Trains approaching from the opposite direction on the side track will operate the point-throwing levers in reverse order.

Thus, no special switchman is needed, the main track is always left open, and cost in time and wear for stopping and starting trains is entirely eliminated. If single cars are operated, as electric vehicles in cities, the motorman may conveniently operate both the front and rear trips. The invention is adapted forsteam and all other railways and will operate eiiiciently in each instance.

In the modified form, a bell-crank lever 26 is employed in lieu of the forked lever 14, the links 16 and 18 being connected at spaced points to one arm to give the proper throw of the switch points, and the link 19 having' connection with the opposite arm of said bell-crank.

What is claimed is: Y

l.A In a switch mechanism, fixed main and braneh rails, a pair of movable switch points, a bar pivotally connecting the points for simultaneous movement, a lever pivoted between its ends, a link oonneetingone en d of the lever to one of the switch points, a point-throwing lever pivoted to the other o1c said points, a second point-throwing lever pivoted to a fixed main rail, and linkseenneeting the )point-throwing, levers to the first lever.

2. In a switch, a pair of movable switch points, a point-throwing lever pivoted to one, fixed rails, a second point-throwing le- Copies of this patent may be obtained for ver pivoted on a Xed rail, a lever pivoted between its ends, a pair of links connecting` the opposite ends of the last lever to respeetve point-throwing levers,and a third link connecting the third lever to the other point.

3. In a switch, Xed rails, a movable switch point associated therewith, a lever pivoted betweenits ends and having one -end fureated and one of its fureations Connected to the point, a stop for limiting the movement of the lever in one direction, and means operable b v a trip and connected tothe other furoation of the lever and-to the opposite end of the latter for actuating the switch point.

In testimony whereof I afhx myisignature.

MAXEY Jackson ive cents each, by addressing the Commissioner orla'cents,V Washington, D. C. 

